Home / 107,309.17-160,964.66-40,731.42

Finding the Fourth Proportional to 107,309.17, 160,964.66 and 40,731.42

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Solution

The fourth proportional to 107,309.17, 160,964.66 and 40,731.42 is: 61,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,309.17 : 160,964.66 = 40,731.42 : x
  2. Step 2: Convert to fraction form
    107,309.17/160,964.66 = 40,731.42/x
  3. Step 3: Cross multiply
    107,309.17x = 160,964.66 × 40,731.42
  4. Step 4: Simplify right side
    107,309.17x = 6,556,319,171.62
  5. Step 5: Solve for x
    x = 6,556,319,171.62/107,309.17
  6. Step 6: Final answer
    x = 61,097.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.